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Old 08-25-2013, 07:16 PM   #1
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AC Dead?


Came home from work tonight and there is water all over the floor in my basement where my AC/furnace is. Went through all this last summer, too, and found that it was an extremely dirty A-coil from where the retainer clip was missing on the filter for a number of years, causing the filter to get sucked against the blower motor. Then the motor would bring in air from the backside that hadn't been filtered, making everything filthy on the inside. It took several tech visits to get to this conclusion, but after the thorough cleaning last year, the furnace worked flawlessly all winter, and so far, the AC had been fine all summer.

So anyhow I get a new filter and put it in. It was time to change it anyhow. There was water in the bottom chamber of the furnace, but once again I had seen that last year. Thinking that the A-coil might have been frozen up, I turn just the fan on from the thermostat to allow the possibly frozen coil to thaw.

The fan ran for a while, maybe an hour or so, then I noticed things quiet. A little too quiet - it wasn't running at all. Turned the fan off then back onto AC, there's a click on the thermostat, but the unit does nothing, and the out side condenser isn't coming on.

I checked the breakers - they're all on. The main power switch is on at the inside unit, but it will not turn on. The red LED light that normally flashes isn't coming on at all, which has me worried that it may be a big problem.

I plan on calling the same tech that came out last year to come out tomorrow, but do you guys have any ideas that may save me some money?

BTW it's an American Standard Freedom 78

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Old 08-25-2013, 07:39 PM   #2
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AC Dead?


Not an A/C guy but I fist check to see if the condensate line is just plugged up.
Most of the time they plug where the trap is.
Not sure how yours works but around here it's code to have an automatic shut off so instead of it overflowing all over the floor it shut the whole unit down to prevent a flood.
Had many a home get destroyed from air exchangers in the attic over flowing before they enforced this code .

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Old 08-25-2013, 08:27 PM   #3
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AC Dead?


Well my initial concern was the water, but now it's switched to the fact that the unit will not even power on.

When the unit is switched on, you can hear a buzzing noise for a few seconds. It comes from a part that is mounted on the side, right next to the control board. It sounds like it's trying to do something, but nothing ever happens. No lights either on the control board.
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Old 08-26-2013, 08:56 AM   #4
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AC Dead?


the buzzing is the transformer and OK. water may have hit the board and damaged it, you need a Pro.
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Old 08-29-2013, 09:18 AM   #5
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AC Dead?


Turns out it was a blown transformer. Tech replaced it and checked my drain pan, which was clean. He said the water may have been from me using "too nice" of filters for my unit, and it froze. He said to start using the cheap filters.
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